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  1. W

    Must one frame exterior walls with 2x6 and not 2x4 to satisfy IRC2018 and IEC2018?

    Don't have to. The IRC2018 is the code aside from energy, which is IEC2018, and I can find nothing in either mandating 2x6 exterior wall framing. Can you?
  2. W

    Must one frame exterior walls with 2x6 and not 2x4 to satisfy IRC2018 and IEC2018?

    A small addition to a 100 year old seasonal "camp" is wanted to be framed in 2x4 so window and door details exactly match what is seen in existing. We can meet all structural needs with the 2x4 walls, and pass ResCheck by using sprayfoam in wall cavities, and one of the Huber ZipR sheathings...
  3. W

    All-masonry fireplace hearth bears on wood floor structure

    Sort of like this. The extension is sitting on the wood-framed floor, and not on the fireplace structure. http://www.riversidebrick.com/ImageGen.ashx?width=600&image=/media/1075/Boral_Bucks_County_Dressed_Fieldstone_Fireplace.jpg
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    All-masonry fireplace hearth bears on wood floor structure

    Don't know what it takes to be able to include an image. So here is more detail. A large pier pad is directly beneath the 4" floor slab in the unfinished basement. Atop this is built, with CMU walls, the fireplace foundation, which rises up and through the wood-framed structural main floor...
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    All-masonry fireplace hearth bears on wood floor structure

    New construction, a large freestanding fireplace with CMU core and fieldstone facing comes up through the wood-framed floor structure of the main floor. It goes through the basement floor where it bears on a suitably-sized pad. The fireplace opening is 16 inches above the floor, and the hearth...
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